9439400

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 22199100

約数和(自身を除く): 12759700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 433, 436, 545, 866, 872, 1090, 1732, 2165, 2180, 2725, 3464, 4330, 4360, 5450, 8660, 10825, 10900, 17320, 21650, 21800, 43300, 47197, 86600, 94394, 188788, 235985, 377576, 471970, 943940, 1179925, 1887880, 2359850, 4719700, 9439400]

約数ペア:

[(1, 9439400), (2, 4719700), (4, 2359850), (5, 1887880), (8, 1179925), (10, 943940), (20, 471970), (25, 377576), (40, 235985), (50, 188788), (100, 94394), (109, 86600), (200, 47197), (218, 43300), (433, 21800), (436, 21650), (545, 17320), (866, 10900), (872, 10825), (1090, 8660), (1732, 5450), (2165, 4360), (2180, 4330), (2725, 3464)]